Experience the Evolution of SILENT Brass Pickup Mute and Personal Studio for Trumpet (with Brass Resonance Modeling) Pickup Mute The Pickup Mute combines a high-performance mute with an internal microphone to pickup sound. Significantly smaller and lighter than previous versions, the mute offers superior muting performance, delivers excellent intonation over a wide pitch range, and natural playability. A new compact design now lets you put your instrument in its case with the mute in the bell. * Please note that the Pickup Mute may not fit some instruments with significantly different bell shapes or bell diameters. Please check before purchasing. Brass Resonance Modeling The SILENT Brass features Yamahas unique technology, which uses the modeling of non-muted brass instruments to correct your instruments tone when the Pickup Mute is in place. The resulting sound is so realistic, its hard to tell whether the instrument is muted, or not. The SILENT Brass Offers More Enjoyment Connect the output from an audio player, smartphone, etc. to the AUX IN jack on the Personal Studio and enjoy playing along with your favorite recordings or minus one practice aids. The PHONES jack can also be used as an output jack for recording what you play. * Do not use the AUX IN jack when using the PHONES jack as an output jack. * Cable sold separately. For complete details refer to the Yamaha website.